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2P6486 CYLINDER HEAD GROUP SERIAL NO. 49V16058 TO 49V17612 INCLUSIVE 6N8889 CYLINDER HEAD PARTS ARE SHOWN ON PAGE 12 977L


BASIC ENGINE
CYLINDER HEAD GP
LIFTING GP-ENGINE
CYLINDER HEAD GP

TRACK LOADER 977L TRACK LOADER 64X
 977L TRACK-TYPE LOADER / POWER SHIFT / 64X00001-UP (MACHINE) POWERED BY 3306 ENGINE HEBP1227 977L 64X   (1979)

BASIC ENGINE

CYLINDER HEAD GP
CYLINDER HEAD GP
2P-6486 CYLINDER HEAD GP
CYLINDER HEAD GP
2P-6486 CYLINDER HEAD GP
CYLINDER HEAD GP
2P-6486 CYLINDER HEAD GP
CYLINDER HEAD GP
7N-8536 CYLINDER HEAD GP
CYLINDER HEAD GP
7N-8536 CYLINDER HEAD GP
COVER GP-CYLINDER HEAD
2P-6530 COVER GP-CYLINDER HEAD
CYLINDER HEAD AS
6N-8889 CYLINDER HEAD AS
CYLINDER HEAD GP
8N-1187 CYLINDER HEAD GP
FASTENER GP-CYLINDER HEAD
7N-9536 FASTENER GP-CYLINDER HEAD
FASTENER GP-CYLINDER HEAD
2P-6546 FASTENER GP-CYLINDER HEAD
 

#HEBP12270020
 

2P-6486: CYLINDER HEAD GP

2P6486 CYLINDER HEAD GROUP
SERIAL NO. 49V16058 TO 49V17612 INCLUSIVE
6N8889 CYLINDER HEAD PARTS ARE SHOWN ON PAGE 12
c215310 HEBP1227
2P6486 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your 977L TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-8889 YC [1] HEAD ASSEM.  
    (Separate Illustration)
2. 5S-6452 [6] VALVE (intake)  
3. 5S-7232 [6] VALVE (exhaust)  
4. 7S-7144 [12] SPRING  
5. 2A-4429 [24] LOCK  
6. 5S-5874 [12] ROTOCOIL  
7. 8S-3970 [6] CHAMBER ASSEM.  
  7S-3206 [6] SEAL  
  5M-2667 C [6] GASKET 4.93 mm(.194 in.) thick  
  2S-8959 C [6] GASKET 5.66 mm(.223 in.) thick  
  2S-8960 C [6] GASKET 6.3 mm(.248 in.) thick  
8. 5S-6281 C [1] GASKET  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#HEBP12270021
 

2P-6486: CYLINDER HEAD GP

2P6486 CYLINDER HEAD GROUP
ENGINE SERIAL NO. 49V17613 TO 49V20065 INCLUSIVE
c216924 HEBP1227
2P6486 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your 977L TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-7144 [12] SPRING  
2. 5S-5874 [12] ROTOCOIL  
3. 2A-4429 [24] LOCK  
4. 6N-8120 C [1] HEAD ASSEM.  
    (Includes)
5. 0S-1594 [4] BOLT  
6. 5M-2894 [4] WASHER  
7. 1P-6367 [1] COVER  
8. 5S-6735 [1] GASKET  
9. 3B-0623 [6] PLUG  
10. 3S-8313 [7] PLUG  
11. 1S-3062 [18] DIRECTOR  
12. 2B-0858 [3] PLUG  
13. 7N-4448 [6] INSERT (intake)  
14. 5S-7221 [6] INSERT (exhaust)  
15. 2P-1262 [12] GUIDE  
16. 5M-2667 [6] GASKET 4.93 mm(.194 in.) thick  
  2S-8959 [6] GASKET 5.66 mm(.223 in.) thick  
  2S-8960 [6] GASKET 6.3 mm(.248 in.) thick  
17. 7S-3206 [6] SEAL  
18. 8S-3970 [6] CHAMBER ASSEM.  
19. 6N-7263 C [1] GASKET  
20. 5S-6452 [6] VALVE (intake)  
21. 5S-7232 [6] VALVE (exhaust)  
  C   INDICATES CHANGE
 

#HEBP12270022
 

2P-6486: CYLINDER HEAD GP

2P6486 CYLINDER HEAD GROUP
ENGINE SERIAL NO. 49V20068 TO 49V24220 INCLUSIVE
8N1187 CYLINDER HEAD PARTS ARE SHOWN ON PAGE 12A
c228335 HEBP1227
2P6486 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your 977L TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-7144 [12] SPRING  
2. 5S-5874 [12] ROTOCOIL ASSEM.  
3. 2A-4429 [24] LOCK  
4. 8N-1187 RCY [1] HEAD GROUP  
    (Separate Illustration)
5. 5M-2667 [6] GASKET 4.93 mm(.194 in.)thick  
  2S-8959 [6] GASKET 5.66 mm(.223 in.)thick  
  2S-8960 [6] GASKET 6.3 mm(.248 in.)thick  
6. 7S-3206 [6] SEAL  
7. 8S-3970 [6] CHAMBER ASSEM.  
8. 6N-7263 [1] GASKET  
9. 5S-6452 [6] VALVE (intake)  
10. 5S-7232 [6] VALVE (exhaust)  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

#HEBP12270023
 

7N-8536: CYLINDER HEAD GP

7N8536 CYLINDER HEAD GROUP
ENGINE SERIAL NO. 49V24221 TO 49V25023 INCLUSIVE
8N1187 CYLINDER HEAD PARTS ARE SHOWN ON PAGE 12A
c468109 HEBP1227
7N8536 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your 977L TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-7144 [12] SPRING-VALVE  
2. 8N-7782 C [12] ROTOCOIL AS  
3. 2A-4429 [24] LOCK-RETAINER  
4. 8N-1187 YR [1] CYLINDER HEAD GP  
5. 8S-3970 [6] CHAMBER AS  
6. 7N-7999 [1] GASKET-CYLINDER HEAD  
7. 5S-6452 [6] VALVE-INLET  
8. 8N-0875 C [6] VALVE-EXHAUST  
9. 7N-8025 [18] SEAL-WATER  
10. 3S-5496 [1] SEAL-O-RING  
11. 7N-8018 [6] SEAL-WATER  
12. 5M-2667 B [6] GASKET-CHAMBER 4.93MM(.194IN)THK  
  2S-8959 B [6] GASKET-CHAMBER 5.66MM(.223IN)THK  
  2S-8960 B [6] GASKET-CHAMBER 6.3MM(.248IN)THK  
13. 7S-3206 [6] SEAL-O-RING  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#HEBP12270024
 

7N-8536: CYLINDER HEAD GP

7N8536 CYLINDER HEAD GROUP
ENGINE SERIAL NO. 49V25024-UP
8N1187 CYLINDER HEAD PARTS ARE SHOWN ON PAGE 12A
c306194 HEBP1227
7N8536 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your 977L TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-7144 [12] SPRING  
2. 1W-5300 C [12] ROTOCOIL ASSEM.  
3. 2A-4429 [24] LOCK  
4. 8N-1187 RY [1] HEAD GROUP  
    (Separate Illustration)
5. 8S-3970 [6] CHAMBER ASSEM.  
6. 7N-7999 [1] GASKET  
7. 5S-6452 [6] VALVE (intake)  
8. 8N-0875 C [6] VALVE (exhaust)  
9. 7N-8025 [18] SEAL  
10. 3S-5496 [1] SEAL  
11. 7N-8018 [6] SEAL  
12. 5M-2667 [6] GASKET 4.93mm(.194 in.)thick  
  2S-8959 [6] GASKET 5.66 mm(.223 in.)thick  
  2S-8960 [6] GASKET 6.3mm(.248 in.)thick  
13. 7S-3206 [6] SEAL  
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#HEBP12270025
 

2P-6530: COVER GP-CYLINDER HEAD

2P6530 CYLINDER HEAD COVER GROUP
c218681 HEBP1227
2P6530 COVER GP-CYLINDER HEAD Parts scheme
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Parts for your 977L TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1P-6367 [1] COVER  
  5S-6735 [1] GASKET  
2. 2P-3201 [4] BOLT (Washer Head)  
    -OR-
  0S-1594 [4] BOLT (1 in.) long  
  5M-2894 [4] WASHER  
 

#HEBP12270026
 

6N-8889: CYLINDER HEAD AS

6N8889 CYLINDER HEAD ASSEMBLY
SERIAL NO. 49V16058 TO 49V17612 INCLUSIVE
PART OF 2P6486 CYLINDER HEAD GROUP SHOWN ON PAGE 11
c212515 HEBP1227
6N8889 CYLINDER HEAD AS Parts scheme
  For full view, you need register

Parts for your 977L TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1S-3062 [18] DIRECTOR-WATER  
2. 2B-0858 [3] PLUG-PIPE  
3. 3B-0623 [6] PLUG-CUP  
4. 3S-8313 [7] PLUG-CUP  
5. 1P-6367 [1] COVER  
6. 5S-6735 [1] GASKET  
7. 0S-1594 [4] BOLT  
  5M-2894 [4] WASHER  
8. 2P-1262 [12] GUIDE-VALVE  
9. 5S-7218 [6] INSERT-VALVE SEAT (INTAKE)  
10. 5S-7221 [6] INSERT (EXHAUST)  
 

#HEBP12270027
 

8N-1187: CYLINDER HEAD GP

8N1187 CYLINDER HEAD GP*R
ENGINE S/N 49V20066-UP
PART OF 2P6486 & 7N8536 CYLINDER HEADS
c509890 HEBP1227
8N1187 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your 977L TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1594 [4] BOLT  
2. 5M-2894 [4] WASHER  
3. 1P-6367 [1] COVER  
4. 5S-6735 [1] GASKET  
5. 3B-0623 [6] PLUG-CUP  
6. 3S-8313 [7] PLUG-CUP  
7. 1S-3062 [18] DIRECTOR-WATER  
8. 2B-0858 [3] PLUG-PIPE  
9. 7N-4448 [6] INSERT (INTAKE)  
10. 1W-5321 C [6] INSERT-VALVE SEAT (EXHAUST)  
11. 2P-1262 [12] GUIDE-VALVE  
12. 7N-2597 [1] SPACER  
13. 8N-4485 C [1] VALVE AS  
  C   CHANGE FROM PREVIOUS TYPE
 

#HEBP12270028
 

6N-8326: LIFTING GP

6N8326 ENGINE LIFTING GROUP
ENGINE SERIAL NO. 49V23839-UP
c233027 HEBP1227
6N8326 LIFTING GP Parts scheme
  For full view, you need register

Parts for your 977L TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8N-8721 [2] PLATE-LIFTING EYE  
2. 6V-1999 [4] BOLT-SPECIAL  
  8D-5054 [4] WASHER-HARD  
 

#HEBP12270029
 

7N-9536: FASTENER GP-CYLINDER HEAD

7N9536 CYLINDER HEAD FASTENER GROUP
ENGINE SERIAL NO. 49V24221-UP
c226521 HEBP1227
7N9536 FASTENER GP-CYLINDER HEAD Parts scheme
  For full view, you need register

Parts for your 977L TRACK LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5B-9603 [7] BOLT  
2. 1B-7709 C [5] BOLT (LOCATION X)  
3. 1D-4595 B [20] BOLT  
4. 2S-0736 C [25] WASHER-HARD  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
 

Information:

Tool Operating Manual
Operating Instructions for 155-1536 Valve Recession Tool Kit for all G3500 and 3500 Engines{0374, 0599, 0701, 0703, 0759, 0767}
Operating Instructions for 155-1536 Valve Recession Tool Kit for all G3500 and 3500 Engines{0374, 0599, 0701, 0703, 0759, 0767}
Operating Instructions for 148-2997 Valve Recession Tool Group Used On 3600, G3600, and C175 Engines{0374, 0599, 0701, 0703, 0759}
Operating Instructions for 148-2997 Valve Recession Tool Group Used On 3600, G3600, and C175 Engines{0374, 0599, 0701, 0703, 0759}
185-5321 Cylinder Head Lifting Hook Assembly{0599, 0632, 0703, 1101, 6459}
185-5321 Cylinder Head Lifting Hook Assembly{0599, 0632, 0703, 1101, 6459}
188-3922 Broken Exhaust Bolt and Stud Removal Group for 3114, 3116, 3126, 3126B, 3176, 3176B, C-10, and C12 Engines{0374, 0599, 0701, 0702, 0703}
188-3922 Broken Exhaust Bolt and Stud Removal Group for 3114, 3116, 3126, 3126B, 3176, 3176B, C-10, and C12 Engines{0374, 0599, 0701, 0702, 0703}
CRB Valve Spring Testers 8S-2263 and 4C-9496{0374, 0599, 0700, 0701, 1108}
CRB Valve Spring Testers 8S-2263 and 4C-9496{0374, 0599, 0700, 0701, 1108}
Reuse And Salvage Guidelines
Engine Valve Failure Modes{1100, 1105}
Engine Valve Failure Modes{1100, 1105}
Reuse and Salvage for Cylinder Head Assemblies {1100, 1101, 1103, 1104, 1105, 1106, 1108, 1109, 1115, 1117, 1121, 1124, 1125}
Reuse and Salvage for Cylinder Head Assemblies {1100, 1101, 1103, 1104, 1105, 1106, 1108, 1109, 1115, 1117, 1121, 1124, 1125}
Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}
Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}
Using the 9U-5383 Vacuum Tester {0774, 0781, 1000, 1100}
Using the 9U-5383 Vacuum Tester {0774, 0781, 1000, 1100}
Applied Failure Analysis
Engine Valve Failure Modes{1100, 1105}
Engine Valve Failure Modes{1100, 1105}
Service Magazine
Caterpillar Warranty Claims on Cylinder Head Valves {1105}
2005/10/03
Later Pre-Chamber Cylinder Heads On Early 3304 Engines Without Drilled Rocker Stands Are Used {1100}
2012/10/11

Caterpillar Parts SIS Catalog 977L :

CAMSHAFT GP-SINGLE
1N-4406 CAMSHAFT GP-SINGLE
CAMSHAFT GP-SINGLE
2P-6202 CAMSHAFT GP-SINGLE
PISTON & ROD GP
9S-8912 PISTON & ROD GP
SEAL GP-CRANKSHAFT
2P-6223 SEAL GP-CRANKSHAFT
CRANKSHAFT BEARING REPLACEMENTS
SEAL GP-CRANKSHAFT
2P-6224 SEAL GP-CRANKSHAFT
CRANKSHAFT GP
6N-8079 CRANKSHAFT GP
CRANKSHAFT GP
2P-6222 CRANKSHAFT GP
CYLINDER HEAD GP
2P-6486 CYLINDER HEAD GP
CYLINDER HEAD GP
2P-6486 CYLINDER HEAD GP
CYLINDER HEAD GP
7N-8536 CYLINDER HEAD GP
CYLINDER HEAD GP
7N-8536 CYLINDER HEAD GP
COVER GP-CYLINDER HEAD
2P-6530 COVER GP-CYLINDER HEAD
CYLINDER HEAD AS
6N-8889 CYLINDER HEAD AS
CYLINDER HEAD GP
8N-1187 CYLINDER HEAD GP
LIFTING GP
6N-8326 LIFTING GP

Truck sale:

Caterpillar 977L
 
Caterpillar 977L
- track loaders
MICHIGAN CAT
Caterpillar 977L, Construction
20,000 
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HOLT CAT
Caterpillar 977L, Construction
8,000 
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HOLT CAT
Caterpillar 977L, Construction
11,000 
Caterpillar 977L, Construction
- Dozers
TRACTOR & EQUIPMENT CO.
CATERPILLAR 977L 1975
 
CATERPILLAR 977L 1975
- TRACK LOADERS
ALTORFER INC.
2600 6th Street SW - Cedar Rapids - Io
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